diff --git a/configure.ac b/configure.ac
index b09d51a2..ffdf8f5a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,9 +14,7 @@ RAK_CHECK_CXXFLAGS
 RAK_ENABLE_DEBUG
 RAK_ENABLE_EXTRA_DEBUG
 RAK_ENABLE_WERROR
-
 RAK_CHECK_CXX11
-RAK_CHECK_TR1_LIB
 
 TORRENT_DISABLE_IPV6